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fixes depricated example for "weighted mean of more than two colors" #571

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fixes depricated example for "weighted mean of more than two colors" #571

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10 changes: 4 additions & 6 deletions docs/src/colormapsandcolorscales.md
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Expand Up @@ -75,15 +75,13 @@ For example:
julia> weighted_color_mean(0.8, colorant"red", colorant"green")
RGB{N0f8}(0.8, 0.102, 0.0)
```
You can also get the weighted mean of three or more colors by passing the
collections of weights and colors. The following is an example of bilinear
interpolation.
You can also get the weighted mean of more than two colors using nested calls to `weighted_color_mean()`. The following is an example of bilinear interpolation of 4 colors.

```@example mean
using Colors # hide
[weighted_color_mean([(1-s)*(1-t), s*(1-t), (1-s)*t, s*t], # collection of weights
Colors.JULIA_LOGO_COLORS) # collection of colors
for s = 0:0.2:1, t = 0:0.05:1]
c1 = w1 -> weighted_color_mean(w1, Colors.JULIA_LOGO_COLORS[1], Colors.JULIA_LOGO_COLORS[2])
c2 = w2 -> weighted_color_mean(w2, Colors.JULIA_LOGO_COLORS[3], Colors.JULIA_LOGO_COLORS[4])
[weighted_color_mean(0.5, c1(w1), c2(w2)) for w1 = 0:0.2:1, w2 = 0:0.05:1]
```

```@docs
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